Senior Frontend Engineer: Real-Time Data Interfaces

Dex; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Dex is seeking a Senior Frontend Engineer to own customer-facing interfaces that transform real-time sensor data into actionable insights. You will shape core frontend components and extend platform workflows within a small, high-autonomy team, from prototype to robust production-grade features.

The role emphasizes end-to-end ownership, React/TypeScript/Vite/Tailwind proficiency, and delivering performant, accessible interfaces for diverse customer needs.

Qualifications

• Extensive production experience with React, TypeScript, Vite, and Tailwind CSS.
• Experience with gRPC/protobuf at the API layer.
• Proven track record of building performant data-visualization interfaces.
• Strong UX, accessibility, and visual design sensibilities.
• Experience with real-time data and asynchronous patterns such as WebSockets and web workers.

Responsibilities

• Architect and build core frontend components that transform real-time sensor data into intuitive, navigable operational intelligence.
• Drive end-to-end development of customer-specific workflows across the platform.
• Translate prototypes into production-ready features with robust, scalable abstractions.
• Collaborate closely with a small, autonomous engineering team, owning frontend workstreams from design to deployment.
• Ensure performance and responsiveness for dynamic interfaces handling continuous data streams.

Skills

React

TypeScript

Vite

Tailwind CSS

gRPC/protobuf

Data visualization

WebSockets

Web workers

Vitest

Jest

Playwright

Testing frameworks

UX

Accessibility

Design systems

Job description

Dex is seeking a Senior Frontend Engineer to own customer-facing interfaces that transform real-time sensor data into actionable insights. You will shape core frontend components and extend platform workflows within a small, high-autonomy team, from prototype to robust production-grade features.

The role emphasizes end-to-end ownership, React/TypeScript/Vite/Tailwind proficiency, and delivering performant, accessible interfaces for diverse customer needs.